From the Empire State Building to Mount Rushmore and the Liberty Bell to the Grand Canyon, 25 major U.S. landmarks are each the focus of a unique crossword puzzle.

Gathering information is the task behind each exercise. Using an encyclopedia to discover solutions, students learn valuable information about each well-known place or thing.

Examples:

- Niagra Falls is located on this river.

- Deposits of ____ were discovered in Death Valley in 1873.